A visible light image of the giant elliptical galaxy M 87, taken with the NASA/ESA Hubble Space Telescope's Wide Field Planetary Camera 2 in February 1998, reveals a brilliant jet of high-speed electrons emitted from the nucleus (diagonal line across image). The jet is produced by a 3-billion-solar-mass black hole.
Image Credit: NASA/ESA and John Biretta (STScI/JHU)
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